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Ammonia as Nitrogen. ALS Environmental may or may not test for Ammonia as Nitrogen (CAS # 7664-41-7). Information is subject to change; please contact us for the latest available analytes for which we test.
You can obtain the information you need for millions of substances from the most current and reliable collection of chemical substance information in the world, CAS REGISTRY. The CAS REGISTRY database contains records for specific substances identified by the Chemical Abstracts Service (CAS) REGISTRY system. All substance records contain a unique CAS Registry Number.